7.5ct Rhodolite (Radiant, 10.93×10.93mm, Purple) vs 7.5ct Amethyst (Radiant, 12.37×12.37mm, Violet)
Quick summary: When looked from above (face-up position), 7.5ct Amethyst (12.37×12.37mm, radiant cut) appears 28% larger than 7.5ct Rhodolite (10.93×10.93mm, radiant cut). See below how they compare side-by-side on a ring and finger.
| 7.5ct Rhodolite (radiant cut) |
vs
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7.5ct Amethyst (radiant cut) |
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purple |
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| 10.93×10.93 mm | 12.37×12.37 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
7.5ct Rhodolite Radiant (10.93×10.93mm, Purple)
and
7.5ct Amethyst Radiant (12.37×12.37mm, Violet)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Rhodolite will face-up smaller than Amethyst for a given
carat weight, because it has higher specific gravity
(3.84 vs. 2.65 - this means it's "heavier" compared to Amethyst of the same size). Face-up size also depends heavily on the proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 7.5 Ct Rhodolite (Radiant) | 7.5 Ct Amethyst (Radiant) | |
| 10.93×10.93 mm | vs | 12.37×12.37 mm |
| 113.49 mm² | 145.37 mm² |
| 7.5ct Rhodolite Radiant (10.93×10.93mm) | |
| 7.5ct Amethyst Radiant (12.37×12.37mm) | |
| Difference: 28% (31.88 mm²) |
7.5ct Amethyst (Radiant, 12.37×12.37mm) has approx. 28% more face-up area than 7.5ct Rhodolite (Radiant, 10.93×10.93mm).
Popular comparisons:
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